abstract |
A flame retarded foamed plastic composition comprises a polystyrene type resin; a brominated flame retardant having a Br content greater than 60% by weight and a 5 wt % loss temperature of 190-320° C.; a hindered amine of 4-hydroxy-2,2,6,6-tetramethylpiperidine carboxylate series, and a blowing agent. |